Alert archive / Michigan / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 38, NWS Marquette, MI

June 25, 2002Ontonagon County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jun 25, 2002, 8:32 PM EDT for Ontonagon County, Michigan. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 25, 2002, 8:32 PM EDT (00:32 UTC)
Expired: Jun 25, 2002, 9:30 PM EDT
In force: 58 min
Issued by: NWS Marquette, MI
Area: Whole counties

County Ontonagon County, MI

What was reported inside it

Time	Report	Where	Remark
Jun 25, 8:45 PM EDT	Thunderstorm Wind 60 E	Ewen, MI	A twelve inch diameter tree was blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 25, 7:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.5 hours before the alert went out and 272 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1651 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1570 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 4:00 PM EDT, 4 hours 32 minutes earlier.

Area forecast discussion, Jun 25, 4:00 PM EDT, 4 hours 32 minutes before

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In the hours before

Local storm report, Jun 25, 5:31 PM EDT, 3 hours 1 minute before

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Local storm report, Jun 25, 5:35 PM EDT, 2 hours 57 minutes before

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Special weather statement, Jun 25, 8:00 PM EDT, 32 minutes before

MIZ002-009-260500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MARQUETTE MI
800 PM EDT TUE JUN 25 2002

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1 AM EDT (MIDNIGHT
CDT)...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF WEST UPPER
MICHIGAN UNTIL 100 AM EDT (MIDNIGHT CDT). THE WATCH INCLUDES
GOGEBIC AND ONTONAGON COUNTIES AND THE CITIES OF IRONWOOD...
WAKEFIELD...WATERSMEET...ONTONAGON... AND BRUCE CROSSING.

SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT. SOME MAY CONTAIN LARGE
HAIL AND DAMAGING WIND ALONG WITH DEADLY LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA SOURCE FOR
THE LATEST WEATHER STATEMENTS AND INFORMATION.

JLB

The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 11:59 PM EDT	Severe Thunderstorm Warning	MQT	Dickinson	61 min
Jun 26, 12:01 AM EDT	Severe Thunderstorm Warning	MQT	Iron	59 min
Jun 26, 12:46 AM EDT	Severe Thunderstorm Warning	MQT	Marquette	29 min
Jun 26, 1:24 AM EDT	Severe Thunderstorm Warning	MQT	Delta	66 min
Jun 26, 2:07 AM EDT	Severe Thunderstorm Warning	MQT	Schoolcraft	53 min
Jun 26, 5:11 PM EDT	Special Marine Warning	MQT		64 min
Jun 26, 5:11 PM EDT	Special Marine Warning	MQT		64 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.